| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Eridanus[1] |
| Right ascension | 03h 53m 38.95s[2] |
| Declination | −34° 43′ 56.3″[2] |
| Apparent magnitude (V) | 5.11[3] |
| Characteristics | |
| Evolutionary stage | main sequence[4] |
| Spectral type | B6/7V[5] |
| B−V color index | −0.13[3] |
| Astrometry | |
| Proper motion (μ) | RA: +31.797[2] mas/yr Dec.: −1.902[2] mas/yr |
| Parallax (π) | 9.0016±0.0834 mas[2] |
| Distance | 362 ± 3 ly (111 ± 1 pc) |
| Absolute magnitude (MV) | −0.02[1] |
| Details | |
| Mass | 3.8[4] M☉ |
| Radius | 2.5[6] R☉ |
| Luminosity | 226[4] L☉ |
| Surface gravity (log g) | 4.26[6] cgs |
| Temperature | 13,772[4] K |
| Rotational velocity (v sin i) | 43[4] km/s |
| Age | 207[7] Myr |
| Other designations | |
| CD−35°1455, HD 24626, HR 1214, SAO 194608[8] | |
| Database references | |
| SIMBAD | data |
i Eridani (HD 24626) is a B-type main-sequence star in the constellation Eridanus. With an apparent magnitude of 5.11, it is faintly visible to the naked eye on a clear night.
References
[edit]- ^ a b Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. XHIP record for this object at VizieR.
- ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b "VizieR Detailed Page". Archived from the original on 2016-03-04. Retrieved 2012-07-13.
- ^ a b c d e Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars. IV. Evolution of rotational velocities". Astronomy and Astrophysics. 537: A120. arXiv:1201.2052. Bibcode:2012A&A...537A.120Z. doi:10.1051/0004-6361/201117691.
- ^ Houk, N. (1982). Michigan Catalogue of Two-dimensional Spectral Types for the HD stars. Volume_3. Declinations -40_ƒ0 to -26_ƒ0. Bibcode:1982mcts.book.....H.
- ^ a b McDonald, I.; Zijlstra, A. A.; Watson, R. A. (2017). "Fundamental parameters and infrared excesses of Tycho-Gaia stars". Monthly Notices of the Royal Astronomical Society. 471 (1): 770. arXiv:1706.02208. Bibcode:2017MNRAS.471..770M. doi:10.1093/mnras/stx1433.
- ^ Gontcharov, G. A. (2012). "Dependence of kinematics on the age of stars in the solar neighborhood". Astronomy Letters. 38 (12): 771. arXiv:1606.08814. Bibcode:2012AstL...38..771G. doi:10.1134/S1063773712120031.
- ^ "i Eridani". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2025-09-07.
